ViewSonic Projector PJD7831HDL User Manual

6
Projector exterior view
1. External control panel
(See Projector on page 7 for 
details.)
2. Lamp cover
3. Vent (heated air exhaust)
4. Front IR remote sensor
5. Adjuster foot
6. Lens shift wheel
7. Focus and Zoom rings
8. HDMI/MHL-2 port
9. Micro-USB cable
10. Projection lens
11. Audio signal output socket
12. Audio signal input socket 2/
Microphone
13. Audio signal input socket 1
14. S-Video input socket
15. Video input socket
16. USB port-1 (5V/2A out)
17. HDMI-1 port
18. RGB signal output socket...

7
Controls and functions
Projector
1. Focus ring
Adjusts the focus of the projected image.
2. Zoom ring
Adjusts the size of the projected image.
3. Lens shift wheel
Shifts the projection lens vertically.
4. Menu
Turns on the On-Screen Display (OSD) 
menu. 
Exit
Goes back to previous OSD menu, exits 
and saves menu settings.
5. / / /  (Keystone keys)
Manually corrects distorted images 
resulting from an angled projection.
Left/Right/Up/Down
Selects the desired menu items and makes 
adjustments.
6. Power...

8
12.  (Lamp indicator light)
Indicates the status of the lamp. Lights up 
or flashes when the lamp has developed a 
problem.
13. Color Mode
Selects an available picture setup mode.
14. /  (Keystone keys)
Manually corrects distorted images 
resulting from an angled projection.
15. Left
Selects the desired menu items and makes 
adjustments.
Blank
Hides the screen picture.16. Right
Selects the desired menu items and makes 
adjustments.
 (Panel Key Lock)
Activates panel key lock. To unlock the 
panel keys,...

9
Remote control
To use the remote mouse control keys 
(Page Up, Page Down,  , and
 ), see 
Using the remote mouse control on 
page 11 for details.
1. Power
Toggles the projector between standby 
mode and Power ON.
2. Source selection keys 
•COMP
Selects D-Sub / Comp. source for 
display.
•VIDEO
Selects Video source for display.
•HDMI/MHL
Selects HDMI/MHL source for 
display.
3. Auto Sync
Automatically determines the best 
picture timings for the displayed 
image.4. / / /  (Keystone keys)
Manually...

10 Operating the LASER pointer
The Laser Pointer is a presentation aid for professionals. It emits colored light when you 
press it. The laser beam is visible. It is necessary to press and hold Laser for continuous 
output.
Do not look into the laser light window or shine the laser light beam on yourself or others. See 
the warning messages on the back of the remote control prior to using it.
The laser pointer is not a toy. Parents should be mindful of the dangers of laser energy and 
keep this remote...

11
can prevent interference from other remote controls. Set the remote control code for the 
projector first before changing that for the remote control.
To switch the code for the projector, select from among 1 to 8 in the SYSTEM SETTING: 
ADVANCED > Remote Control Code menu.
To switch the code for the remote control, press ID set and 
the number button corresponding to the remote control code 
set in the projector OSD together for 5 seconds or more. 
The initial code is set to 1. When the code is...

12
Replacing the remote control batteries
1. To open the battery cover, turn the remote control over to view its back, press on the 
finger grip on the cover and pull it up in the direction of the arrow as illustrated.
2. Remove any existing batteries (if necessary) and install two AAA batteries observing 
the battery polarities as indicated in the base of the battery compartment. Positive (+) 
goes to positive and negative (-) goes to negative.
3. Refit the cover by aligning it with the base and pushing...

13
Positioning your projector
Choosing a location
Your room layout or personal preference will dictate which installation location you select. 
Take into consideration the size and position of your screen, the location of a suitable power 
outlet, as well as the location and distance between the projector and the rest of your 
equipment.
Your projector is designed to be installed in one of the following 4 possible installation 
locations:
1. Front Table
Select this location with the projector placed near...

14
Projection dimensions
The screen mentioned below refers to the projection screen usually consisting of a screen 
surface and a support structure. 
(a)
(c)
(b)(e)
(f)
(d)
(a)
(c)(b)
(e)(f)
(d)
(a)
(c)
(b)(e)
(f)
(d)
(f): Center of lens (e): Screen
• 16:9 image on a 16:9 screen
• 16:9 image on a 4:3 screen
(a)
(d)
(c)(b)
(e)(f)
PJD7828HDL/PJD7831HDL
(a) Screen 
Size
[inch (m)]16:9 image on a 16:9 Screen 16:9 image on a 4:3 Screen
(b) Projection 
distance [m (inch)](c) Image 
height
[cm (inch)](d)...

15
There is 3% tolerance among these numbers due to optical component variations. It is 
recommended that if you intend to permanently install the projector, you should physically 
test the projection size and distance using the actual projector in situ before you permanently 
install it, so as to make allowance for this projectors optical characteristics. This will help you 
determine the exact mounting position so that it best suits your installation location.
PJD36HD,
(a) Screen Size
[inch (m)]16:9...